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Use Cases
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Resources
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Pricing
August 1961
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June 1963
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December 1963
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1966
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September 1971
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This led to eased travel restrictions from West Germany to West Berlin as well as an opening of trade and diplomatic ties between East Germany and West Germany
1974 - 1976
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June 1987
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February 1989
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April 1989
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May 1989
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August 1989
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August 1989
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September 1989
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December 1989
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April 1990
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July 1990
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October 1990
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December 1990
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December 1990
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